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2007 ISO radioactivity danger symbol intended for IAEA Category 1, 2, and 3 sources defined as dangerous sources capable of causing death or serious injury [1]. This article lists notable civilian accidents involving radioactive materials or involving ionizing radiation from artificial sources such as x-ray tubes and particle accelerators.
The accident was attributed to a zirconium fragment that obstructed a flow-guide in the sodium cooling system. Two of the 105 fuel assemblies melted during the accident, but no contamination was recorded outside the containment vessel. [19] Winter 1966-1967 (date unknown) Location unknown 5 Loss of coolant, possible meltdown
The Windscale fire resulted when uranium metal fuel ignited inside plutonium production piles; surrounding dairy farms were contaminated. [33] [34] The severity of the incident was covered up at the time by the UK government, as Prime Minister Harold Macmillan feared that it would harm British nuclear relations with America, and so original reports on the disaster and its health impacts were ...
1982 Lost radiation source in Baku, Azerbaijan, USSR. [6] 1980 Houston radiotherapy accident. [6] [7] 1979 Church Rock uranium mill spill; 1979 Three Mile Island accident and Three Mile Island accident health effects; 1974–1976 Columbus radiotherapy accident. [6] [7] 1969 Lucens reactor; 1968 Thule B-52 crash; 1966 Palomares B-52 crash
List of civilian radiation accidents; List of nuclear and radiation accidents by death toll; Lists of nuclear disasters and radioactive incidents; Robert Peter Gale; List of nuclear and radiation fatalities by country
A New Jersey mayor warned Tuesday that the troubling drone sightings over the state may be linked to missing radioactive material, although federal officials say the amount poses no serious threat ...
For comparison, the average background radiation in the United States is 310 mrem (3 mSv) a year. Chronic doses above 20 rem (0.2 Sv) increase the risk of cancer. Acute doses of 500 rem (5 Sv) kill half of those affected without medical treatment. [14] Chronic doses (received over a longer period of time) are less damaging than acute doses. [15]
Globally, there have been at least 99 (civilian and military) recorded nuclear reactor accidents from 1952 to 2009 (defined as incidents that either resulted in the loss of human life or more than US$50,000 of property damage, the amount the US federal government uses to define major energy accidents that must be reported), totaling US$20.5 billion in property damages.